Want to see the effects of global warming without waiting ten or twenty years? Then use one of these frightening and informative Global Warming Vanishing Land Mugs. Each mug is covered with a map of the world. When you pour in a hot beverage, the mug shows what happens when the world heats up and the oceans begin to rise… Land mass disappears before your very eyes! * WATCH Florida get swallowed by the Atlantic. * SEE valuable California waterfront property turn into a modern-day Atlantis. * WITNESS Central America dissolving into a few, small islands.